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Science, New Series, Vol. 24, No. 602, Jul. 13, 1906


Previous Issue: New Series, Vol. 24, No. 601, Jul. 6, 1906
Next Issue: New Series, Vol. 24, No. 603, Jul. 20, 1906


Front Matter (1 p.)


The American Association for the Advancement of Science. Ithaca, N. Y., June 28 to July 3, 1906
Report of the General Secretary, pp. 33-35
John F. Hayford
Address of Welcome by President J. G. Schurman and Mayor Bradford Almy and Reply by President William H. Welch, pp. 35-40


James Mills Peirce, pp. 40-48
J. K. Whittemore


Discussion and Correspondence
Northern Limit of the Papaw Tree, p. 48
L. H. Pammel
The Crayfish Industry, p. 48
E. A. Andrews


Special Articles
Emission of Electricity from the Radium Products, pp. 48-49
William Duane
The Use of Astronomical Telescopes in Determining the Speeds of Migrating Birds, pp. 49-51
Joel Stebbins; Edward A. Fath
A Workable Bed of Coal in Nebraska, pp. 51-52
Erwin H. Barbour
The Relation of Pressure in the Coronary Vessels to the Activity of the Isolated Heart, and Some Closely Related Problems, pp. 52-54
C. C. Guthrie; F. H. Pike


Notes on Organic Chemistry, pp. 54-55
J. Bishop Tingle

Recent Vertebrate Paleontology, pp. 55-57
Henry F. Osborn

The International Fishery Congress, 1908, pp. 57-58
H. M. Smith

The Proceedings of the Royal Society of London, p. 58
The Agricultural Appropriation Bill, pp. 58-59
Carnegie Foundation for the Advancement of Teaching, pp. 59-60
Scientific Notes and News, pp. 60-64
University and Educational News, p. 64

Previous Issue: New Series, Vol. 24, No. 601, Jul. 6, 1906
Next Issue: New Series, Vol. 24, No. 603, Jul. 20, 1906



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